| 单词 | crystal detector |
| 释义 | crystal detectornoun Radio.a device for rectifying a modulated radio-frequency signal, consisting of a crystal of germanium, silicon, galena, or the like with a cat whisker contact, permitting a high-frequency current to pass freely in one direction only: one of the two principal components of a crystal set. Origin of crystal detectorFirst recorded in 1905–10 Words nearby crystal detectorcrystal, crystal ball, crystal class, crystal-clear, crystal counter, crystal detector, crystal form, crystal gazing, crystal habit, crystal healing, crystall- Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for crystal detectorcrystal detector nounelectronics a demodulator, used esp in microwave circuits and in early radio receivers, consisting of a thin metal wire in point contact with a semiconductor crystal Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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